Home / 311,265,624.79-429,546,198.20-170,137,772.06

Finding the Fourth Proportional to 311,265,624.79, 429,546,198.20 and 170,137,772.06

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Solution

The fourth proportional to 311,265,624.79, 429,546,198.20 and 170,137,772.06 is: 234,789,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,265,624.79 : 429,546,198.20 = 170,137,772.06 : x
  2. Step 2: Convert to fraction form
    311,265,624.79/429,546,198.20 = 170,137,772.06/x
  3. Step 3: Cross multiply
    311,265,624.79x = 429,546,198.20 × 170,137,772.06
  4. Step 4: Simplify right side
    311,265,624.79x = 73,082,033,156,550,640
  5. Step 5: Solve for x
    x = 73,082,033,156,550,640/311,265,624.79
  6. Step 6: Final answer
    x = 234,789,926.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.